M27C256B-12N1TR STMicroelectronics, M27C256B-12N1TR Datasheet - Page 11

• Manufacturer Part Number: M27C256B-12N1TR
• Description: 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM
• Manufacturer: STMicroelectronics

Drawing is not to scale.
Symb
A1
A2
B1
E1
eA
e1
e3
C
D
N
A
B
E
S
L
A2
FDIP28W - 28 pin Ceramic Frit-seal DIP, with window
33.02
2.54
7.11
Typ
B1
N
1
S
D2
15.40
13.05
16.17
0.50
3.90
0.40
1.17
0.22
3.18
1.52
D
mm
Min
28
4
–
–
–
B
A1
e
A3
E1
38.10
15.80
13.36
18.32
Max
5.71
1.78
5.08
0.55
1.42
0.31
4.10
2.49
15
–
–
–
A
L
E
0.100
1.300
0.280
Typ
eA
eB
FDIPW-a
C
inches
0.020
0.154
0.016
0.046
0.009
0.606
0.514
0.637
0.125
0.060
Min
28
4
–
–
–
M27C256B
0.225
0.070
0.200
0.022
0.056
0.012
1.500
0.622
0.526
0.721
0.161
0.098
Max
15
–
–
–
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